
Feeder Terminal
REF 541, REF 543, REF 545.
1MRS750443-MBG
69
1) These functions are only supported in the feeder termi-
nal revisions of Release 1.5 or later.
2) These functions are only supported in the feeder termi-
nal revisions of Release 2.0 or later
1) These functions are only supported in the feeder termi-
nal revisions of Release 2.0 or later.
2) This function is only supported in the feeder terminal
revisions of Release 3.5 or later
Table 21: Measurement functions
Function
ANSI device
no.
IEC symbol Description
MEAI1
2)
AI1
AI1
General measurement 1 / analog input on RTD/analog module
MEAI2
2)
AI2
AI2
General measurement 2 / analog input on RTD/analog module
MEAI3
2)
AI3
AI3
General measurement 3 / analog input on RTD/analog module
MEAI4
2)
AI4
AI4
General measurement 4 / analog input on RTD/analog module
MEAI5
2)
AI5
AI5
General measurement 5 / analog input on RTD/analog module
MEAI6
2)
AI6
AI6
General measurement 6 / analog input on RTD/analog module
MEAI7
2)
AI7
AI7
General measurement 7 / analog input on RTD/analog module
MEAI8
2)
AI8
AI8
General measurement 8 / analog input on RTD/analog module
MEAO1
2)
AO1
AO1
Analog output 1 on RTD/analog module
MEAO2
2)
AO1
AO1
Analog output 2 on RTD/analog module
MEAO3
2)
AO3
AO3
Analog output 3 on RTD/analog module
MEAO4
2)
AO4
AO4
Analog output 4 on RTD/analog module
MECU1A
Io
Io
Neutral current measurement, stage A
MECU1B
Io_B
Io_B
Neutral current measurement, stage B
MECU3A
3I
3I
Three-phase current measurement, stage A
MECU3B
2)
3I_B
3I_B
Three-phase current measurement, stage B
MEDREC16
1)
DREC
DREC
Transient disturbance recorder
MEFR1
f
f
System frequency measurement
MEPE7
PQE
PQE
Three-phase power and energy measurement
MEVO1A
Uo
Uo
Residual voltage measurement, stage A
MEVO1B
2)
Uo_B
Uo_B
Residual voltage measurement, stage B
MEVO3A
3U
3U
Three-phase voltage measurement, stage A
MEVO3B
2)
3U_B
3U_B
Three-phase voltage measurement, stage B
Table 22: Power quality functions
Function
ANSI device
no.
IEC symbol Description
PQCU3H
1)
PQ 3Inf
PQ 3Inf
Current waveform distortion measurement
PQVO3H
1)
PQ 3Unf
PQ 3Unf
Voltage waveform distortion measurement
PQVO3Sd
2)
PQ 3U<>
PQ 3U<>
Short duration voltage variations
Table 23: Control functions
Function
ANSI device
no.
IEC symbol Description
CO3DC1
CO3DC1
I<->O 3DC1
Three-state disconnector (1) with indication
CO3DC2
CO3DC2
I<->O 3DC2
Three-state disconnector (2) with indication
COCB1
COCB1
I<->O CB1
Circuit breaker 1 control with indication
COCB2
COCB2
I<->O CB2
Circuit breaker 2 control with indication
COCBDIR
COCBDIR
CBDIR
Direct open for CBs via HMI
CODC1
CODC1
I<->O DC1
Disconnector 1 control with indication
CODC2
CODC2
I<->O DC2
Disconnector 2 control with indication
CODC3
CODC3
I<->O DC3
Disconnector 3 control with indication
CODC4
CODC4
I<->O DC4
Disconnector 4 control with indication
CODC5
CODC5
I<->O DC5
Disconnector 5 control with indication
COIND1
COIND1
I<->O IND1
Switching device 1 indication